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EC8811 Datasheet Preview

EC8811 Datasheet

1A Adjustable & Fixed Voltage LDO Linear Regulator

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EC8811
1A Adjustable & Fixed Voltage LDO Linear Regulator
Features
General Description
z Operating Voltage Range +2.3V to +7.0V
The EC8811 series is a low-dropout linear regulator
that operates in the input voltage range from +2.3V
z Output Voltages +1.0V to +5.0V (0.1V Step) to +7.0V and delivers 1.0A output current.
(Fixed), +1.25V to +5.0V (ADJ Type)
z Maximum Output Current 1A
The EC8811 is available in two types, fixed
output voltage type and adjustable output voltage
z Dropout Voltage 700mV @ 1000mA (Fixed) type. The fixed output voltage type is preset at an
internally trimmed voltage 1.0V,1.2V,1.8V, 2.5V, or
z Fast Response in Power-on
3.3V. Other options 1.2V, 1.5V, 2.85V, 3.0V and
(Fixed Voltage Only)
z Low Current Consumption 60µA (Typ.)
3.6V are available by special order only. The output
voltage range of the adjustable type is from 1.25V
to 5V.
z ±2% Output Voltage Accuracy (special ±1% The EC8811 (ADJ type) consists of a 1.25V
band-gap reference, an error amplifier, and a
highly accurate), VOUT 1.8V
P-channel pass transistor. Other features include
z Low ESR Capacitor Compatible
z High Ripple Rejection 55 dB (Typ.)
short-circuit protection and thermal shutdown
protection.
The EC8811 (Fixed type) consists of a 0.95V
z Output Current Limit Protection 1.3A (Typ.) band-gap reference, an error amplifier, and a
P-channel pass transistor. Other features include
z Short Circuit Protection 600mA (Typ.)
short-circuit protection and thermal shutdown
z Thermal Overload Shutdown Protection
z SOT-223, TO-252, TO-263 Packages
protection. The EC8811 series devices are
available in SOT-223, TO-252, TO-263 packages.
z RoHS Compliant and 100% Lead (Pb)-Free
and Green (Halogen Free with Commercial
Standard)
Applications
Active SCSI Terminators
Low Voltage Micro-Controllers
High Efficiency Linear Regulators
Post Regulator for Switching Power
Monitor Microprocessors
Simplified Application Circuit
E-CMOS Corp. (www.ecmos.com.tw)
Page: 1/16
2009/05/04-3




E-CMOS

EC8811 Datasheet Preview

EC8811 Datasheet

1A Adjustable & Fixed Voltage LDO Linear Regulator

No Preview Available !

EC8811
1A Adjustable & Fixed Voltage LDO Linear Regulator
Ordering Information
EC8811 -
Output Voltage Accuracy
Lead Free Code
Pin Name Code
Package Code
Vout Code
Vout Code
10=1.0V,12=1.2V,18=1.8V, 25=2.5V, 33=3.3V,ADJ=ADJ
Package Code
SOT-223 = B7
TO-252 = A4
TO-263 = A8
Pin Name Code :
SOT-223 = J ’ G ‘ X
TO-252 = P ‘ R
TO-263 = U
Lead Free Code G Green (Halogen Free with Commercial Standard)
Output Voltage Accuracy
1 1%
2 2%
Note * The difference between “J”, “G” & “X” type and “P” & “R” type, please refer to ”Pin Description”.
Pin Description
Part NO.
Pin
Symbol
Pin Description
JGX
3 1 3 VIN
Regulator Input Pin.
1 2 2 GND/ADJ Ground Pin or ADJ Terminal Pin.
SOT-223
Part NO.
( TOP View )
2
P
1
2
3
Pin
1 VOUT Regulator Output Pin.
Symbol
Pin Description
R
3 VIN Regulator Input Pin.
1 GND/ADJ
Ground Pin.
TO-252
Part NO.
TO-263
3
2
VOUT
Regulator Output Pin.
Pin
Symbol
Pin Description
U
3 VIN Regulator Input Pin.
1
GND/ADJ
Ground Pin.
2
VOUT
Regulator Output Pin.
E-CMOS Corp. (www.ecmos.com.tw)
Page: 2/16
2009/05/04-3


Part Number EC8811
Description 1A Adjustable & Fixed Voltage LDO Linear Regulator
Maker E-CMOS
Total Page 16 Pages
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